Finding the Fourth Proportional to 4,892.40, 7,279.76 and 4,876.01

Step by Step Solution

1. Step 1: Write the proportion equation
   4,892.40 : 7,279.76 = 4,876.01 : x
2. Step 2: Convert to fraction form
   4,892.40/7,279.76 = 4,876.01/x
3. Step 3: Cross multiply
   4,892.40x = 7,279.76 × 4,876.01
4. Step 4: Simplify right side
   4,892.40x = 35,496,121.78
5. Step 5: Solve for x
   x = 35,496,121.78/4,892.40
6. Step 6: Final answer
   x = 7,255.36